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61620-8 — GEAR,INTERNAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

61620-8: GEAR,INTERNAL.

The GEAR,INTERNAL is a the manufacturer industrial component. Key specifications include length: 0.290 INCHES NOMINAL IN, material: STEEL COMP 630 OVERALL, insert_size: 1/4-28, style_designator: KEYLOCK, features_provided: INDIVIDUALLY KEYED, full_internal_thread_length: 0.195 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-929-0102, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
61620-8
NSN: 5325-00-929-0102
NIINs: 009290102, 013286018
FSC: 5325 — Fastening Devices
CAGE: 22915 — NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV (USA)
SPECIFICATIONS
length0.290 INCHES NOMINAL IN
materialSTEEL COMP 630 OVERALL
insert_size1/4-28
style_designatorKEYLOCK
features_providedINDIVIDUALLY KEYED
full_internal_thread_length0.195 INCHES NOMINAL IN
internal_thread_relief_depth0.095 INCHES NOMINAL IN
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-929-0102
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 61620-8 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 0.290 INCHES NOMINAL IN
•
INSERT SIZE: 1/4-28
•
STYLE DESIGNATOR: KEYLOCK
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
INTERNAL THREAD RELIEF DEPTH: 0.095 INCHES NOMINAL IN
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
•
FULL INTERNAL THREAD LENGTH: 0.195 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 630 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.290 INCHES NOMINAL IN
INSERT SIZE1/4-28
STYLE DESIGNATORKEYLOCK
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
INTERNAL THREAD RELIEF DEPTH0.095 INCHES NOMINAL IN
FEATURES PROVIDEDINDIVIDUALLY KEYED
FULL INTERNAL THREAD LENGTH0.195 INCHES NOMINAL IN
MATERIALSTEEL COMP 630 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 61620-8?
61620-8 is a GEAR,INTERNAL.
What is the NSN for 61620-8?
61620-8 is cataloged in the U.S. Government catalog under NSN 5325-00-929-0102. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.